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417 words used in the labs.

Find a term from the labs, understand the process behind it, and see how it appears in the landscape. Each entry connects an explanation with a real observation and a model you can explore.

Regime

The characteristic seasonal pattern of river discharge, influenced by rainfall, snowmelt, storage and human regulation.

What to look for

USGS gauging station at Huey Creek, Antarctica, 12 December 2001. Repeated measurements of stage and discharge produce a river's hydrograph.

A streamflow-gauging station beside Huey Creek in Antarctica's rocky McMurdo Dry Valleys.
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Explore further with USGS water glossary · USGS volcano glossary · NPS glacial geology · NASA Earth facts. Photograph acknowledgements are collected on the Image credits page.